First part in, last part out, the valves do not have to be removed. You may be able to keep the piston and rod in but if I remember you may not be able to remove the crank all the way then. The part is number was given by goggley eyes...some vendors above may have one in stock.
Read the service manual that is free.
https://s3.us-east-2.amazonaws.com/c...ervice+Man.pdf